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/* ckcker.h -- Symbol and macro definitions for C-Kermit */

/*
  Author: Frank da Cruz <fdc@columbia.edu>,
  Columbia University Academic Information Systems, New York City.

  Copyright (C) 1985, 2017
    Trustees of Columbia University in the City of New York.
    All rights reserved.  See the C-Kermit COPYING.TXT file or the
    copyright text in the ckcmai.c module for disclaimer and permissions.
*/

#ifndef CKCKER_H
#define CKCKER_H

#define I_AM_KERMIT  0			/* Personalities */
#define I_AM_TELNET  1
#define I_AM_RLOGIN  2
#define I_AM_IKSD    3
#define I_AM_FTP     4
#define I_AM_HTTP    5
#define I_AM_SSHSUB  6
#define I_AM_SSH     7

#ifndef NOSTREAMING
#ifndef STREAMING
#define STREAMING
#endif /* STREAMING */
#endif /* NOSTREAMING */
/*
  If NEWDEFAULTS is defined then:
   - RECEIVE PACKET-LENGTH is 4095 rather than 90
   - WINDOW is 30 rather than 1
   - BLOCK-CHECK is 3 rather than 1
   - FILE TYPE is BINARY rather than TEXT
*/
#ifdef BIGBUFOK				/* (was OS2) */
#ifndef NEWDEFAULTS
#define NEWDEFAULTS
#endif /* NEWDEFAULTS */
#endif /* BIGBUFOK */

#ifdef NOICP				/* No Interactive Command Parser */
#ifndef NOSPL				/* implies... */
#define NOSPL				/* No Script Programming Language */
#endif /* NOSPL */
#ifndef NOCSETS				/* No character-set translation */
#define NOCSETS				/* because the only way to set it up */
#endif /* NOCSETS */			/* is with interactive commands */
#endif /* NOICP */

#ifdef pdp11				/* There is a maximum number of */
#ifndef NOCKSPEED			/* of -D's allowed on the CC */
#define NOCKSPEED			/* command line, so some of them */
#endif /* NOCKSPEED */			/* have to go here... */
#ifndef NOREDIRECT
#define NOREDIRECT
#endif /* NOREDIRECT */
#ifdef WHATAMI
#undef WHATAMI
#endif /* WHATAMI */
#endif /* pdp11 */

#ifdef UIDBUFLEN
#define LOGINLEN UIDBUFLEN
#else
#define LOGINLEN 32			/* Length of server login field */
#endif /* UIDBUFLEN */

/* Bell values */

#define XYB_NONE  0			/* No bell */
#define XYB_AUD   1			/* Audible bell */
#define XYB_VIS   2			/* Visible bell */
#define XYB_BEEP  0			/* Audible Beep */
#define XYB_SYS   4			/* Audible System Sounds */

/* File status bits */

#define FS_OK   1			/* File transferred OK */
#define FS_REFU 2			/* File was refused */
#define FS_DISC 4			/* File was discarded */
#define FS_INTR 8			/* Transfer was interrupted by user */
#define FS_ERR  16			/* Fatal error during transfer */

/* Control-character (un)prefixing options */

#define PX_ALL  0			/* Prefix all control chars */
#define PX_CAU  1			/* Unprefix cautiously */
#define PX_WIL  2			/* Unprefix with wild abandon */
#define PX_NON  3			/* Unprefix all (= prefix none) */

/* Destination codes */

#define  DEST_D 0	/*  DISK */
#define  DEST_S 1	/*  SCREEN */
#define  DEST_P 2	/*  PRINTER */
#define  DEST_N 3	/*  NOWHERE (calibration run) */

/* File transfer protocols */

#define  PROTO_K    0	/*   Kermit   */
#ifdef CK_XYZ
#define  PROTO_X    1	/*   XMODEM     */
#define  PROTO_XC   2	/*   XMODEM-CRC */
#define  PROTO_Y    3	/*   YMODEM     */
#define  PROTO_G    4	/*   YMODEM-g */
#define  PROTO_Z    5	/*   ZMODEM   */
#define  PROTO_O    6   /*   OTHER    */
#define  NPROTOS    7   /*   How many */
#else
#define  NPROTOS    1   /*   How many */
#endif /* CK_XYZ */

struct ck_p {				/* C-Kermit Protocol info structure */
    char * p_name;			/* Protocol name */
    int rpktlen;			/* Packet length - receive */
    int spktlen;			/* Packet length - send */
    int spktflg;			/* ... */
    int winsize;			/* Window size */
    int prefix;				/* Control-char prefixing options */
    int fnca;				/* Filename collision action */
    int fncn;				/* Filename conversion */
    int fnsp;				/* Send filename path stripping */
    int fnrp;				/* Receive filename path stripping */
    char * h_b_init;		/* Host receive initiation string - text   */
    char * h_t_init;		/* Host receive initiation string - binary */
    char * h_x_init;		/* Host server string */
    char * p_b_scmd;		/* SEND cmd for external protocol - text   */
    char * p_t_scmd;		/* SEND cmd for external protocol - binary */
    char * p_b_rcmd;		/* RECV cmd for external protocol - text   */
    char * p_t_rcmd;		/* RECV cmd for external protocol - binary */
};

struct filelist {			/* Send-file list element */
    char * fl_name;			/* Filename */
    int fl_mode;			/* Transfer mode */
    char * fl_alias;			/* Name to send the file under */
    struct filelist * fl_next;		/* Pointer to next element */
};

/* Kermit system IDs and associated properties... */

struct sysdata {
    char *sid_code;	/* Kermit system ID code */
    char *sid_name;	/* Descriptive name */
    short sid_unixlike;	/* Tree-structured directory with separators */
    char  sid_dirsep;	/* Directory separator character if unixlike */
    short sid_dev;	/* Can start with dev: */
    short sid_case;	/* Bit mapped: 1 = case matters, 2 = case preserved */
    short sid_recfm;    /* Text record separator */
/*
   0 = unknown or nonstream
   1 = cr
   2 = lf
   3 = crlf
*/
};

struct ssh_pf {				/* SSH port forwarding */
    int    p1;				/* port to be forwarded */
    char * host;			/* host */
    int    p2;				/* port */
};

#define SET_ON   1	/* General values for settings that can be ON */
#define SET_OFF  0			/* OFF, */
#define SET_AUTO 2			/* or AUTO */

#define PATH_OFF 0	/* Pathnames off (to be stripped) */
#define PATH_REL 1      /* Pathnames on, left relative if possible */
#define PATH_ABS 2      /* Pathnames absolute always */
#define PATH_AUTO 4	/* Pathnames handled automatically */

/* GET Options */

#define GOPT_DEL 1			/* Delete source file */
#define GOPT_REC 2			/* Recursive */
#define GOPT_RES 4			/* Recover (Resend) */
#define GOPT_CMD 8			/* Filename is a Command */

/* GET Transfer Modes */

#define GMOD_TXT 0			/* Text */
#define GMOD_BIN 1			/* Binary */
#define GMOD_AUT 2			/* Auto */
#define GMOD_LBL 3			/* Labeled */

/* GET Filename Options */

#define GNAM_LIT 0			/* Literal */
#define GNAM_CNV 1			/* Converted */

/* GET Pathname Options */

#define GPTH_OFF 0			/* Pathnames Off */
#define GPTH_REL 1			/* Pathnames Relative */
#define GPTH_ABX 2			/* Pathnames Absolute */

#ifndef NOSPL
/*
  The IF REMOTE-ONLY command is available only in versions
  that actually can be used in remote mode, and only if we have
  an interactive command parser.
*/
#define CK_IFRO
#ifdef MAC
#undef CK_IFRO
#else
#ifdef GEMDOS
#undef CK_IFRO
#endif /* GEMDOS */
#endif /* MAC */
#endif /* NOSPL */

/* Systems whose CONNECT modules can execute Application Program Commands */

#ifdef NOSPL				/* Script programming language */
#ifdef CK_APC				/* is required for APC. */
#undef CK_APC
#endif /* CK_APC */
#ifndef NOAPC
#define NOAPC
#endif /* NOAPC */
#ifndef NOAUTODL
#define NOAUTODL
#endif /* NOAUTODL */
#endif /* NOSPL */

#ifndef NOAPC				/* Unless they said NO APC */
#ifndef CK_APC				/* And they didn't already define it */
#ifdef OS2				/* OS/2 gets it */
#define CK_APC
#endif /* OS2 */
#ifdef UNIX				/* UNIX gets it */
#define CK_APC
#endif /* UNIX */
#ifdef VMS				/* VMS too */
#define CK_APC
#endif /* VMS */
#endif /* CK_APC */
#endif /* NOAPC */

#ifdef CK_APC				/* APC buffer length */
#ifndef APCBUFLEN			/* Should be no bigger than */
#ifdef NOSPL				/* command buffer length */
#define APCBUFLEN 608			/* (see ckucmd.h) but we can't */
#else					/* reference ckucmd.h symbols here */
#define APCBUFLEN 4096
#endif /* NOSPL */
#endif /* APCBUFLEN */
#define APC_OFF   0	/* APC OFF (disabled) */
#define APC_ON    1	/* APC ON (enabled for non-dangerous commands) */
#define APC_UNCH  2	/* APC UNCHECKED (enabled for ALL commands) bitmask */
#define APC_NOINP 4     /* APC (enabled with no input allowed - bitmask) */
#define APC_INACTIVE 0	/* APC not in use */
#define APC_REMOTE   1	/* APC in use from Remote */
#define APC_LOCAL    2	/* APC being used from within Kermit */
#ifndef NOAUTODL
#ifndef CK_AUTODL	/* Autodownload */
#ifdef OS2
#define CK_AUTODL
#else
#ifdef UNIX
#define CK_AUTODL
#else
#ifdef VMS
#define CK_AUTODL
#else
#ifdef CK_AUTODL
#undef CK_AUTODL
#endif /* CK_AUTODL  */
#endif /* NOAUTODL */
#endif /* VMS */
#endif /* UNIX */
#endif /* OS2 */
#endif /* CK_AUTODL */

#else  /* CK_APC not defined */

#ifdef NOICP
#ifdef UNIX
#ifndef CK_AUTODL
#define CK_AUTODL
#endif /* CK_AUTODL */
#endif /* UNIX */
#else  /* Not NOICP... */
#ifdef CK_AUTODL
#undef CK_AUTODL
#endif /* CK_AUTODL */
#endif /* NOICP */
#endif /* CK_APC */

#ifdef NOAUTODL
#ifdef CK_AUTODL
#undef CK_AUTODL
#endif /* CK_AUTODL */
#endif /* NOAUTODL */

/* Codes for what we are doing now - bit mask values */

#define W_NOTHING    0			/* Nothing */
#define W_INIT       1			/* Initializing protocol */
#define W_SEND       2			/* SENDing or MAILing */
#define W_RECV       4			/* RECEIVEing or GETting */
#define W_REMO       8			/* Doing a REMOTE command */
#define W_CONNECT   16			/* CONNECT mode */
#define W_COMMAND   32			/* Command mode */
#define W_DIALING   64			/* Dialing a modem */
#define W_FTP      128			/* FTP */
#define W_FT_DELE   64			/* FTP MDELETE */
#define W_KERMIT (W_INIT|W_SEND|W_RECV|W_REMO) /* Kermit protocol */
#define W_XFER (W_INIT|W_SEND|W_RECV|W_REMO|W_FTP) /* File xfer any protocol */

#ifndef NOWHATAMI
#ifndef WHATAMI
#define WHATAMI
#endif /* WHATAMI */
#endif /* NOWHATAMI */

#ifdef WHATAMI				/* Bit mask positions for WHATAMI */
#define WMI_SERVE   1			/* Server mode */
#define WMI_FMODE   2			/* File transfer mode */
#define WMI_FNAME   4			/* File name conversion */
#define WMI_STREAM  8			/* I have a reliable transport */
#define WMI_CLEAR  16			/* I have a clear channel */
#define WMI_FLAG   32			/* Flag that WHATAMI field is valid */
/* WHATAMI2 bits... */
#define WMI2_XMODE  1			/* Transfer mode auto(0)/manual(1) */
#define WMI2_RECU   2			/* Transfer is recursive */
#define WMI2_FLAG  32			/* Flag that WHATAMI2 field is valid */
#endif /* WHATAMI */

/* Terminal types */
#define VT100     0			/* Also for VT52 mode */
#define TEKTRONIX 1

/* Normal packet and window size */

#define MAXPACK 94			/* Maximum unextended packet size */
					/* Can't be more than 94. */
#ifdef pdp11				/* Maximum sliding window slots */
#define MAXWS  8
#else
#define MAXWS 32			/* Can't be more than 32. */
#endif /* pdp11 */

/* Maximum long packet size for sending packets */
/* Override these from cc command line via -DMAXSP=nnn */

#ifdef IRIX				/* Irix 6.4 and earlier has */
#ifndef MAXSP				/* Telnet server bug */
#ifdef IRIX65
#define MAXSP 9024
#else
#define MAXSP 4000
#endif /* IRIX65 */
#endif /* MAXSP */
#endif /* IRIX */

#ifdef DYNAMIC
#ifndef MAXSP
#define MAXSP 9024
#endif /* MAXSP */
#else  /* not DYNAMIC */
#ifndef MAXSP
#ifdef pdp11
#define MAXSP 1024
#else
#define MAXSP 2048
#endif /* pdp11 */
#endif /* MAXSP */
#endif /* DYNAMIC */

/* Maximum long packet size for receiving packets */
/* Override these from cc command line via -DMAXRP=nnn */

#ifdef DYNAMIC
#ifndef MAXRP
#define MAXRP 9024
#endif /* MAXRP */
#else  /* not DYNAMIC */
#ifndef MAXRP
#ifdef pdp11
#define MAXRP 1024
#else
#define MAXRP 2048
#endif /* pdp11 */
#endif /* MAXRP */
#endif /* DYNAMIC */
/*
  Default sizes for windowed packet buffers.
  Override these from cc command line via -DSBSIZ=nnn, -DRBSIZ=nnn.
  Or just -DBIGBUFOK.
*/
#ifndef MAXGETPATH			/* Maximum number of directories */
#ifdef BIGBUFOK				/* for GET path... */
#define MAXGETPATH 128
#else
#define MAXGETPATH 16
#endif /* BIGBUFOK */
#endif /* MAXGETPATH */

#ifndef NOSPL				/* Query buffer length */
#ifdef OS2
#define QBUFL 4095
#else
#ifdef BIGBUFOK
#define QBUFL 4095
#else
#define QBUFL 1023
#endif /* BIGBUFOK */
#endif /* OS2 */
#endif /* NOSPL */

#ifdef DYNAMIC
#ifndef SBSIZ
#ifdef BIGBUFOK				/* If big buffers are safe... */
#define SBSIZ 290000			/* Allow for 10 x 9024 or 20 x 4096 */
#else					/* Otherwise... */
#ifdef pdp11
#define SBSIZ 3020
#else
#define SBSIZ 9050			/* Allow for 3 x 3000, etc. */
#endif /* pdp11 */
#endif /* BIGBUFOK */
#endif /* SBSIZ */

#ifndef RBSIZ
#ifdef BIGBUFOK
#define RBSIZ 290000			/* Allow for 10 x 9024 or 20 x 4096 */
#else
#ifdef pdp11
#define RBSIZ 3020
#else
#define RBSIZ 9050
#endif /* pdp11 */
#endif /* BIGBUFOK */
#endif /* RBSIZ */
#else  /* not DYNAMIC */
#ifdef pdp11
#define SBSIZ 3020
#define RBSIZ 3020
#else
#ifndef SBSIZ
#define SBSIZ (MAXSP * (MAXWS + 1))
#endif /* SBSIZ */
#ifndef RBSIZ
#define RBSIZ (MAXRP * (MAXWS + 1))
#endif /* RBSIZ */
#endif /* pdp11 */
#endif /* DYNAMIC */

#ifdef BIGBUFOK
#define PKTMSGLEN 1023
#else
#define PKTMSGLEN 80
#endif /* BIGBUFOK */

/* Kermit parameters and defaults */

#define CTLQ	   '#'			/* Control char prefix I will use */
#define MYEBQ	   '&'			/* 8th-Bit prefix char I will use */
#define MYRPTQ	   '~'			/* Repeat count prefix I will use */

#define MAXTRY	    10			/* Times to retry a packet */
#define MYPADN	    0			/* How many padding chars I need */
#define MYPADC	    '\0'		/* Which padding character I need */

#define DMYTIM	    8			/* Initial timeout interval to use. */
#define URTIME	    15			/* Timeout interval to use on me. */
#define DSRVTIM     0			/* Default server cmd wait timeout. */

#define DEFTRN	    0			/* Default line turnaround handshake */

#define MYEOL	    CR			/* Incoming packet terminator. */

#ifdef NEWDEFAULTS
#define DRPSIZ	  4095			/* Default incoming packet size. */
#define DFWSIZ      30			/* Default window size */
#define DFBCT        3			/* Default block-check type */
#else
#define DRPSIZ	    90			/* Default incoming packet size. */
#define DFWSIZ       1			/* Default window size */
#define DFBCT        3			/* Default block-check type */
#endif /* NEWDEFAULTS */

/* The HP-UX 5 and 6 Telnet servers can only swallow 513 bytes at once */

#ifdef HPUX5
#ifdef DRPSIZ
#undef DRPSIZ
#endif /* DRPSIZ */
#define DRPSIZ 500
#else
#ifdef HPUX6
#ifdef DRPSIZ
#undef DRPSIZ
#endif /* DRPSIZ */
#define DRPSIZ 500
#endif /* HPUX6 */
#endif /* HPUX5 */

#define DSPSIZ	    90			/* Default outbound packet size. */
#define DDELAY      1			/* Default delay. */
#define DSPEED	    9600		/* Default line speed. */

#ifdef OS2				/* Default CONNECT-mode */
#define DFESC 29			/* escape character */
#else
#ifdef NEXT				/* Ctrl-] for PC and NeXT */
#define DFESC 29
#else
#ifdef GEMDOS				/* And Atari ST */
#define DFESC 29
#else
#define DFESC 28			/* Ctrl-backslash for others */
#endif /* GEMDOS */
#endif /* NEXT */
#endif /* OS2 */

#ifdef NOPUSH				/* NOPUSH implies NOJC */
#ifndef NOJC				/* (no job control) */
#define NOJC
#endif /* NOJC */
#endif /* NOPUSH */

#ifdef UNIX				/* Default for SET SUSPEND */
#ifdef NOJC				/* UNIX but job control disabled */
#define DFSUSP      0
#else					/* UNIX, job control enabled. */
#define DFSUSP      1
#endif /* NOJC */
#else
#define DFSUSP      0
#endif /* UNIX */

#ifndef DFCDMSG
#ifdef UNIXOROSK
#define DFCDMSG "{{./.readme}{README.TXT}{READ.ME}}"
#else
#define DFCDMSG "{{README.TXT}{READ.ME}}"
#endif /* UNIXOROSK */
#endif /* DFCDMSG */

#define NSNDEXCEPT 64		/* Max patterns for /EXCEPT: list */

/* Files */

#define ZCTERM      0	    	/* Console terminal */
#define ZSTDIO      1		/* Standard input/output */
#define ZIFILE	    2		/* Current input file (SEND, etc) (in) */
#define ZOFILE      3	    	/* Current output file (RECEIVE, GET) (out) */
#define ZDFILE      4	    	/* Current debugging log file (out) */
#define ZTFILE      5	    	/* Current transaction log file (out) */
#define ZPFILE      6	    	/* Current packet log file (out) */
#define ZSFILE      7		/* Current session log file (out) */
#define ZSYSFN	    8		/* Input/Output from a system function */
#define ZRFILE      9           /* Local file for READ (in) */
#define ZWFILE     10           /* Local file for WRITE (out) */
#define ZMFILE     11		/* Miscellaneous file, e.g. for XLATE */
#define ZDIFIL     12		/* DIAL log */
#define ZNFILS     13	    	/* How many predefined file numbers (old) */

#ifdef CKCHANNELIO

/* File modes */

#define FM_REA      1			/* Read */
#define FM_WRI      2			/* Write */
#define FM_APP      4			/* Append */
#define FM_RWA      7			/* Read/Write/Append mask */
#define FM_BIN      8			/* Binary */
#define FM_RWB     15			/* Read/Write/Append/Binary mask */
#define FM_CMD     16			/* Command */
#define FM_EOF     64			/* (status) At EOF */
#define FM_STDIN  128                   /* Standard input */
#define FM_STDOUT 256                   /* Standard output */
#define FM_STDERR 512                   /* Standard error */
#define FM_STDM   896                   /* Standard in/out/err mask */

/* File errors */

#define FX_NER      0			/* No error */
#define FX_SYS     -1			/* System error */
#define FX_EOF     -2			/* End of file */
#define FX_NOP     -3			/* Channel not open */
#define FX_CHN     -4			/* Channel out of range */
#define FX_RNG     -5			/* Argument range error */
#define FX_FNF     -6			/* File not found */
#define FX_BFN     -7			/* Bad or missing filename */
#define FX_NMF     -8			/* No more files */
#define FX_FOP     -9			/* Forbidden operation */
#define FX_ACC    -10			/* Access denied */
#define FX_BOM    -11			/* Bad combination of open modes */
#define FX_OFL    -12			/* Buffer overflow */
#define FX_LNU    -13			/* Current line number unknown */
#define FX_ROO    -14			/* Set Root violation */
#define FX_NYI    -99			/* Feature not implemented yet */
#define FX_UNK   -999			/* Unknown error */

_PROTOTYP( int z_open, (char *, int) );
_PROTOTYP( int z_close, (int) );
_PROTOTYP( int z_out, (int, char *, int, int) );
_PROTOTYP( int z_in, (int, char *, int, int, int) );
_PROTOTYP( int z_flush, (int) );
_PROTOTYP( int z_seek, (int, CK_OFF_T) );
_PROTOTYP( int z_line, (int, CK_OFF_T) );
_PROTOTYP( int z_getmode, (int) );
_PROTOTYP( int z_getfnum, (int) );
_PROTOTYP( CK_OFF_T z_getpos, (int) );
_PROTOTYP( CK_OFF_T z_getline, (int) );
_PROTOTYP( CK_OFF_T z_count, (int, int) );
_PROTOTYP( char * z_getname, (int) );
_PROTOTYP( char * ckferror, (int) );
#endif /* CKCHANNELIO */

_PROTOTYP( int scanfile, (char *, int *, int) );
_PROTOTYP( int scanstring, (char *) );

/*  Buffered file i/o ...  */
#ifdef OS2				/* K-95 */
#define INBUFSIZE 32768
#define OBUFSIZE 32768
#else
#ifdef pdp11
#define INBUFSIZE 512
#define OBUFSIZE 512
#else
/* In VMS, allow for longest possible RMS record */
#ifdef VMS
#define INBUFSIZE 32768			/* File input buffer size */
#define OBUFSIZE 32768			/* File output buffer size */
#else  /* Not VMS */
#ifdef STRATUS
#ifdef DYNAMIC
#define INBUFSIZE 32767			/* File input buffer size */
#define OBUFSIZE 32767			/* File output buffer size */
#else /* STRATUS, not DYNAMIC */
#define INBUFSIZE 4096			/* File input buffer size */
#define OBUFSIZE 4096			/* File output buffer size */
#endif /* DYNAMIC */
#else /* not STRATUS */
#ifdef BIGBUFOK				/* Systems with some memory */
#define INBUFSIZE 32768			/* 32K for packet buffers */
#define OBUFSIZE 32768
#else /* Not BIGBUFOK */
#define INBUFSIZE 1024
#define OBUFSIZE 1024
#endif /* BIGBUFOK */
#endif /* STRATUS */
#endif /* VMS */
#endif /* pdp11 */
#endif /* OS2 */

/* File-transfer character in/out macros for buffered i/o */

/* Get the next file byte */
#ifndef CKCMAI
#ifndef NOXFER
extern char ** sndarray;
#endif /* NOXFER */
#endif /* CKCMAI */
#ifdef NOSPL
#define zminchar() (((--zincnt)>=0) ? ((int)(*zinptr++) & 0377) : zinfill())
#else
#ifdef NOXFER
#define zminchar() (((--zincnt)>=0) ? ((int)(*zinptr++) & 0377) : zinfill())
#else
#define zminchar() \
(sndarray?agnbyte():(((--zincnt)>=0) ? ((int)(*zinptr++) & 0377) : zinfill()))
#endif /* NOXFER */
#endif /* NOSPL */

/* Stuff a character into the input buffer */
#define zmstuff(c) zinptr--, *zinptr = c, zincnt++

/* Put a character to a file */
#define zmchout(c) \
((*zoutptr++=(char)(c)),(((++zoutcnt)>=zobufsize)?zoutdump():0))

/* Screen functions */

#define XYFD_N 0			/* File transfer display: None, Off */
#define XYFD_R 1			/* Regular, Dots */
#define XYFD_C 2			/* Cursor-positioning (e.g. curses) */
#define XYFD_S 3			/* CRT Screen */
#define XYFD_B 4			/* Brief */
#define XYFD_G 5                        /* GUI */

#ifdef NODISPLAY
#define xxscreen(a,b,c,d)
#define ckscreen(a,b,c,d)
#else
_PROTOTYP( VOID ckscreen, (int, char, CK_OFF_T, char *) );
#ifdef VMS
#define xxscreen(a,b,c,d) \
if (local && fdispla != XYFD_N) \
ckscreen((int)a,(char)b,(CK_OFF_T)c,(char *)d)
#else
#define xxscreen(a,b,c,d) \
if (local && !backgrd && fdispla != XYFD_N) \
ckscreen((int)a,(char)b,(CK_OFF_T)c,(char *)d)
#endif /* VMS */
#endif /* NODISPLAY */

#define SCR_FN 1    	/* filename */
#define SCR_AN 2    	/* as-name */
#define SCR_FS 3 	/* file-size */
#define SCR_XD 4    	/* x-packet data */
#define SCR_ST 5      	/* File status: */
#define   ST_OK   0   	/*  Transferred OK */
#define   ST_DISC 1 	/*  Discarded */
#define   ST_INT  2     /*  Interrupted */
#define   ST_SKIP 3 	/*  Skipped */
#define   ST_ERR  4 	/*  Fatal Error */
#define   ST_REFU 5     /*  Refused (use Attribute codes for reason) */
#define   ST_INC  6	/*  Incompletely received */
#define   ST_MSG  7	/*  Informational message */
#define   ST_SIM  8	/*  Transfer simulated (e.g. would be sent) */
#define SCR_PN 6    	/* packet number */
#define SCR_PT 7    	/* packet type or pseudotype */
#define SCR_TC 8    	/* transaction complete */
#define SCR_EM 9    	/* error message */
#define SCR_WM 10   	/* warning message */
#define SCR_TU 11	/* arbitrary undelimited text */
#define SCR_TN 12   	/* arbitrary new text, delimited at beginning */
#define SCR_TZ 13   	/* arbitrary text, delimited at end */
#define SCR_QE 14	/* quantity equals (e.g. "foo: 7") */
#define SCR_CW 15	/* close screen window */
#define SCR_CD 16       /* display current directory */
#define SCR_MS 17	/* message from client */

/* Skip reasons */

#define SKP_DAT 1			/* Date-Time (Older) */
#define SKP_EQU 2			/* Date-Time (Equal) */
#define SKP_TYP 3			/* Type */
#define SKP_SIZ 4			/* Size */
#define SKP_NAM 5			/* Name collision */
#define SKP_EXL 6			/* Exception list */
#define SKP_DOT 7			/* Dot file */
#define SKP_BKU 8			/* Backup file */
#define SKP_RES 9			/* Recovery not needed */
#define SKP_ACC 10			/* Access denied */
#define SKP_NRF 11			/* Not a regular file */
#define SKP_SIM 12			/* Simulation (WOULD BE SENT) */
#define SKP_XUP 13 /* Simulation: Would be sent because remote file older */
#define SKP_XNX 14 /* Simulation: ditto, because remote file does not exist */

/* Macros */

#ifndef CKCMAI
extern int tcp_incoming;		/* Used by ENABLE macro */
#endif /* CKCMAI */

#ifndef TCPSOCKET
/*
  ENABLED tells whether a server-side service is enabled.
  0 = disabled, 1 = local, 2 = remote.
  A "set host *" connection is technically local but logically remote
*/
#define ENABLED(x) ((local && (x & 1)) || (!local && (x & 2)))
#else
#define ENABLED(x) (((local && !tcp_incoming) && (x & 1)) || \
((!local || tcp_incoming) && (x&2)))
#endif /* TCPSOCKET */

/* These are from the book */

#define tochar(ch)  (((ch) + SP ) & 0xFF )	/* Number to character */
#define xunchar(ch) (((ch) - SP ) & 0xFF )	/* Character to number */
#define ctl(ch)     (((ch) ^ 64 ) & 0xFF )	/* Control/Uncontrol toggle */
#define unpar(ch)   (((ch) & 127) & 0xFF )	/* Clear parity bit */

#ifndef NOLOCAL				/* CONNECT return status codes */

/* Users will see the numbers so they can't be changed */
/* Numbers >= 100 indicate connection loss */

#define CSX_NONE        0		/* No CONNECT yet so no status */
#define CSX_ESCAPE      1		/* User Escaped back */
#define CSX_TRIGGER     2		/* Trigger was encountered */
#define CSX_IKSD        3		/* IKSD autosynchronization */
#define CSX_APC         4		/* Application Program Command */
#define CSX_IDLE        5		/* Idle limit exceeded */
#define CSX_TN_ERR      6		/* Telnet Error */
#define CSX_MACRO       7               /* Macro bound to keystroke */
#define CSX_TIME        8               /* Time Limit exceeded */
#define CSX_INTERNAL  100		/* Internal error */
#define CSX_CARRIER   101		/* Carrier required but not detected */
#define CSX_IOERROR   102		/* I/O error on connection */
#define CSX_HOSTDISC  103		/* Disconnected by host */
#define CSX_USERDISC  104		/* Disconnected by user */
#define CSX_SESSION   105		/* Session Limit exceeded */
#define CSX_TN_POL    106		/* Rejected due to Telnet Policy */
#define CSX_KILL_SIG  107               /* Received Kill Signal */

/* SET TERMINAL IDLE-ACTION values */

#define IDLE_RET  0			/* Return to prompt */
#define IDLE_EXIT 1			/* Exit from Kermit */
#define IDLE_HANG 2			/* Hangup the connection */
#define IDLE_OUT  3			/* OUTPUT a string */
#define IDLE_TNOP 4			/* TELNET NOP */
#define IDLE_TAYT 5			/* TELNET AYT */
#endif /* NOLOCAL */

/* Modem and dialing definitions */

#ifndef NODIAL

/* Modem capabilities (bit values) */
#define CKD_AT   1			/* Hayes AT commands and responses */
#define CKD_V25  2			/* V.25bis commands and responses */
#define CKD_SB   4			/* Speed buffering */
#define CKD_EC   8			/* Error correction */
#define CKD_DC  16			/* Data compression */
#define CKD_HW  32			/* Hardware flow control */
#define CKD_SW  64			/* (Local) software flow control */
#define CKD_KS 128			/* Kermit spoofing */
#define CKD_TB 256			/* Made by Telebit */
#define CKD_ID 512			/* Has Caller ID */

/* DIAL command result codes */
#define DIA_UNK   -1			/* No DIAL command given yet */
#define DIA_OK     0			/* DIAL succeeded */
#define DIA_NOMO   1			/* Modem type not specified */
#define DIA_NOLI   2			/* Communication line not spec'd */
#define DIA_OPEN   3			/* Line can't be opened */
#define DIA_NOSP   4			/* Speed not specified */
#define DIA_HANG   5			/* Hangup failure */
#define DIA_IE     6			/* Internal error (malloc, etc) */
#define DIA_IO     7			/* I/O error */
#define DIA_TIMO   8			/* Dial timeout expired */
#define DIA_INTR   9			/* Dialing interrupted by user */
#define DIA_NRDY  10			/* Modem not ready */
#define DIA_PART  11			/* Partial dial command OK */
#define DIA_DIR   12			/* Dialing directory error */
#define DIA_HUP   13			/* Modem was hung up OK */
#define DIA_NRSP  19			/* No response from modem */
#define DIA_ERR   20			/* Modem command error */
#define DIA_NOIN  21			/* Failure to initialize modem */
#define DIA_BUSY  22			/* Phone busy */
#define DIA_NOCA  23			/* No carrier */
#define DIA_NODT  24			/* No dialtone */
#define DIA_RING  25			/* Ring, incoming call */
#define DIA_NOAN  26			/* No answer */
#define DIA_DISC  27			/* Disconnected */
#define DIA_VOIC  28			/* Answered by voice */
#define DIA_NOAC  29			/* Access denied, forbidden call */
#define DIA_BLCK  30			/* Blacklisted */
#define DIA_DELA  31			/* Delayed */
#define DIA_FAX   32			/* Fax */
#define DIA_DIGI  33                    /* Digital Line */
#define DIA_TAPI  34			/* TAPI dialing failure */
#define DIA_UERR  98			/* Unknown error */
#define DIA_UNSP  99		/* Unspecified failure detected by modem */

#define MDMINF	struct mdminf

MDMINF {			/* Structure for modem-specific information */

    char * name;		/* Descriptive name */
    char * pulse;		/* Command to force pulse dialing */
    char * tone;		/* Command to force tone dialing */
    int    dial_time;		/* Time modem allows for dialing (secs) */
    char * pause_chars;		/* Character(s) to tell modem to pause */
    int	   pause_time;		/* Time associated with pause chars (secs) */
    char * wake_str;		/* String to wakeup modem & put in cmd mode */
    int	   wake_rate;		/* Delay between wake_str characters (msecs) */
    char * wake_prompt;		/* String prompt after wake_str */
    char * dmode_str;		/* String to put modem in dialing mode */
    char * dmode_prompt;	/* String prompt for dialing mode */
    char * dial_str;		/* Dialing string, with "%s" for number */
    int    dial_rate;		/* Interchar delay to modem (msec) */
    int    esc_time;		/* Escape sequence guard time (msec) */
    int    esc_char;		/* Escape character */
    char * hup_str;		/* Hangup string */
    char * hwfc_str;		/* Hardware flow control string */
    char * swfc_str;		/* Software flow control string */
    char * nofc_str;		/* No flow control string */
    char * ec_on_str;		/* Error correction on string */
    char * ec_off_str;		/* Error correction off string */
    char * dc_on_str;		/* Data compression on string */
    char * dc_off_str;		/* Data compression off string */
    char * aa_on_str;		/* Autoanswer on string */
    char * aa_off_str;		/* Autoanswer off string */
    char * sb_on_str;		/* Speed buffering on string */
    char * sb_off_str;		/* Speed buffering off string */
    char * sp_on_str;		/* Speaker on string */
    char * sp_off_str;		/* Speaker off string */
    char * vol1_str;		/* Volume low string */
    char * vol2_str;		/* Volume med string */
    char * vol3_str;		/* Volume high string */
    char * ignoredt;		/* Ignore dialtone string */
    char * ini2;		/* Last-minute init string */
    long   max_speed;		/* Maximum interface speed */
    long   capas;		/* Capability bits */
    /* function to read modem's response string to a non-dialing command */
    _PROTOTYP( int (*ok_fn), (int,int) );
};
#endif /* NODIAL */

/* Symbols for File Attributes */

#define AT_XALL  0			/* All of them */
#define AT_ALLY  1			/* All of them on (Yes) */
#define AT_ALLN  2			/* All of them off (no) */
#define AT_LENK  3			/* Length in K */
#define AT_FTYP  4			/* File Type */
#define AT_DATE  5			/* Creation date */
#define AT_CREA  6			/* Creator */
#define AT_ACCT  7			/* Account */
#define AT_AREA  8			/* Area */
#define AT_PSWD  9			/* Password for area */
#define AT_BLKS 10			/* Blocksize */
#define AT_ACCE 11			/* Access */
#define AT_ENCO 12			/* Encoding */
#define AT_DISP 13			/* Disposition */
#define AT_LPRO 14			/* Local Protection */
#define AT_GPRO 15			/* Generic Protection */
#define AT_SYSI 16			/* System ID */
#define AT_RECF 17			/* Record Format */
#define AT_SYSP 18			/* System-Dependent Parameters */
#define AT_LENB 19			/* Length in Bytes */
#define AT_EOA  20			/* End of Attributes */

/* Kermit packet information structure */

struct pktinfo {			/* Packet information structure */
    CHAR *bf_adr;			/*  buffer address */
    int   bf_len;			/*  buffer length */
    CHAR *pk_adr;			/* Packet address within buffer */
    int   pk_len;			/*  length of data within buffer */
    int   pk_typ;			/*  packet type */
    int   pk_seq;			/*  packet sequence number */
    int   pk_rtr;			/*  retransmission count */
};

/* Send Modes (indicating which type of SEND command was used) */

#define SM_SEND     0
#define SM_MSEND    1
#define SM_RESEND   2
#define SM_PSEND    3
#define SM_MAIL     4
#define SM_PRINT    5

#define OPTBUFLEN 256

/* File-related symbols and structures */
/* Used by SET FILE command but also by protocol and i/o modules */

#define XMODE_A 0	/* Transfer mode Automatic */
#define XMODE_M 1	/* Transfer mode Manual    */

#define   XYFILN 0  	/*  Naming  */
#define     XYFN_L 0	/*    Literal */
#define     XYFN_C 1	/*    Converted */
#define   XYFILT 1  	/*  Type    */
#define     XYFT_T 0    /*    Text  */
#define     XYFT_B 1    /*    Binary */
#define     XYFT_I 2    /*    Image or Block (VMS) */
#define     XYFT_L 3	/*    Labeled (tagged binary) (VMS or OS/2) */
#define     XYFT_U 4    /*    Binary Undefined (VMS) */
#define     XYFT_M 5	/*    MacBinary (Macintosh) */
#define     XYFT_X 6	/*    TENEX (FTP TYPE L 8) */
#define     XYFT_D 99   /*    Debug (for session logs) */
#define   XYFILW 2      /*  Warning */
#define   XYFILD 3      /*  Display */
#define   XYFILC 4      /*  Character set */
#define   XYFILF 5      /*  Record Format */
#define     XYFF_S  0   /*    Stream */
#define     XYFF_V  1   /*    Variable */
#define     XYFF_VB 2   /*    Variable with RCW's */
#define     XYFF_F  3   /*    Fixed length */
#define     XYFF_U  4   /*    Undefined */
#define   XYFILR 6      /*  Record length */
#define   XYFILO 7      /*  Organization */
#define     XYFO_S 0    /*    Sequential */
#define     XYFO_I 1    /*    Indexed */
#define     XYFO_R 2    /*    Relative */
#define   XYFILP 8      /*  Printer carriage control */
#define     XYFP_N 0    /*    Newline (imbedded control characters) */
#define     XYFP_F 1    /*    FORTRAN (space, 1, +, etc, in column 1 */
#define     XYFP_P 2    /*    Special printer carriage controls */
#define     XYFP_X 4    /*    None */
#define   XYFILX 9      /*  Collision Action */
#define     XYFX_A 3    /*    Append */
#define     XYFX_Q 5    /*    Ask */
#define     XYFX_B 2    /*    Backup */
#define     XYFX_D 4    /*    Discard */
#define     XYFX_R 0    /*    Rename */
#define     XYFX_X 1    /*    Replace */
#define     XYFX_U 6    /*    Update */
#define     XYFX_M 7    /*    Modtimes differ */
#define   XYFILB 10     /*  Blocksize */
#define   XYFILZ 11     /*  Disposition */
#define     XYFZ_N 0    /*    New, Create */
#define     XYFZ_A 1    /*    New, append if file exists, else create */
#define     XYFZ_O 2    /*    Old, file must exist */
#define   XYFILS 12     /*  File Byte Size */
#define   XYFILL 13     /*  File Label (VMS) */
#define   XYFILI 14     /*  File Incomplete */
#define   XYFILQ 15     /*  File path action (strip or not) */
#define   XYFILG 16     /*  File download directory */
#define   XYFILA 17     /*  Line terminator for local text files */
#define     XYFA_L 012  /*    LF (as in UNIX) */
#define     XYFA_C 015  /*    CR (as in OS-9 or Mac OS) */
#define     XYFA_2 000  /*  CRLF -- Note: this must be defined as 0 */
#define   XYFILY 18     /*  Destination */
#define   XYFILV 19	/*  EOF Detection Method */
#define     XYEOF_L 0   /*    File length */
#define     XYEOF_Z 1   /*    Ctrl-Z in file */
#define   XYFILH   20   /*  OUTPUT parameters - buffered, blocking, etc */
#define   XYFIBP   21	/*  BINARY-PATTERN */
#define   XYFITP   22   /*  TEXT-PATTERN */
#define   XYFIPA   23   /*  PATTERNS ON/OFF */
#define   XYFILU   24   /*  UCS ... */
#define   XYF_PRM  25   /*  PERMISSIONS, PROTECTION */
#define   XYF_INSP 26   /*  INSPECTION (SCAN) */
#define   XYF_DFLT 27   /*  DEFAULT (character sets) */
#define   XYF_SSPA 28   /*  STRINGSPACE */
#define   XYF_LSIZ 29   /*  LISTSIZE */

/* File Type (return code) definitions and corresponding name strings */

#define FT_7BIT 0			/* 7-bit text */
#define FT_8BIT 1			/* 8-bit text */
#define FT_UTF8 2			/* UTF8 */
#define FT_UCS2 3			/* UCS2 */
#define FT_TEXT 4			/* Unknown text */
#define FT_BIN  5			/* Binary */
#define SCANFILEBUF 49152		/* Size of file scan (48K) */

/* Connection closed reasons */

#define WC_REMO   0			/* Closed by remote */
#define WC_CLOS   1			/* Closed from our end */
#define WC_TELOPT 2			/* Telnet negotiation failure */

#ifdef BIGBUFOK
#define FTPATTERNS 256
#else
#define FTPATTERNS 64
#endif /* BIGBUFOK */

#define SYS_UNK    0			/* Selected server system types */
#define SYS_UNIX   1
#define SYS_WIN32  2
#define SYS_VMS    3
#define SYS_OS2    4
#define SYS_DOS    5
#define SYS_TOPS10 6
#define SYS_TOPS20 7
#define SYS_VOS    8
#define SYS_DG     9
#define SYS_OSK    10
#define SYS_MAX    11

#ifdef CK_SMALL
#define PWBUFL 63
#else
#define PWBUFL 255
#endif /* CK_SMALL */

#ifdef OS2
struct tt_info_rec {			/* Terminal emulation info */
    char  *x_name;
    char *x_aliases[4];
    char  *x_id;
};
#endif /* OS2 */

/* BEEP TYPES */
#define BP_BEL  0			/* Terminal bell */
#define BP_NOTE 1			/* Info */
#define BP_WARN 2			/* Warning */
#define BP_FAIL 3			/* Error */

#ifndef NOIKSD
#ifdef IKSDB				/* IKSD Database definitions */

/* Field values */

#define DBF_INUSE    1			/* Flag bits... In use */
#define DBF_USER     2			/* Real user (versus anonymous) */
#define DBF_LOGGED   4			/* Logged in (versus not) */

/* Data Definitions... */

/* Numeric fields, hex, right justified, 0-filled on left */

#define db_FLAGS     0			/* Field 0: Flags */
#define DB_FLAGS     0			/* Offset: 0 */
#define dB_FLAGS     4			/* Length: 4 (hex digits) */

#define db_ATYPE     1			/* Field 1: Authentication type */
#define DB_ATYPE     4			/* 4 hex digits */
#define dB_ATYPE     4

#define db_AMODE     2			/* Field 2: Authentication mode */
#define DB_AMODE     8			/* 4 hex digits */
#define dB_AMODE     4

#define db_STATE     3			/* Field 3: State - 4 hex digits*/
#define DB_STATE    12			/* 4 hex digits */
#define dB_STATE     4

#define db_MYPID     4			/* Field 4: My PID */
#define DB_MYPID    16			/* 16 hex digits left padded with 0 */
#define dB_MYPID    16

#define db_SADDR     5			/* Field 5: Server (my) IP address */
#define DB_SADDR    32			/* 16 hex digits left padded with 0 */
#define dB_SADDR    16

#define db_CADDR     6			/* Field 6: Client IP address */
#define DB_CADDR    48			/* 16 hex digits left padded with 0 */
#define dB_CADDR    16

/* Date-time fields (17 right-adjusted in 18 for Y10K readiness) */

#define db_START     7			/* Field 7: Session start date-time */
#define DB_START    65			/* 64 is leading space for Y10K */
#define dB_START    17

#define db_LASTU     8			/* Field 8: Last lastu date-time */
#define DB_LASTU    83			/* 82 is leading space for Y10K */
#define dB_LASTU    17

#define db_ULEN      9			/* Field 9: Length of Username */
#define DB_ULEN    100			/* 4 hex digits */
#define dB_ULEN      4

#define db_DLEN     10			/* Field 10: Length of Directory */
#define DB_DLEN    104			/* 4 hex digits */
#define dB_DLEN      4

#define db_ILEN     11			/* Field 11: Length of Info */
#define DB_ILEN    108			/* 4 hex digits */
#define dB_ILEN      4

#define db_PAD1     12			/* Field 12: (Reserved) */
#define DB_PAD1    112			/* filled with spaces */
#define dB_PAD1    912

/* String fields, all right-padded with blanks */

#define db_USER     13			/* Field 13: Username */
#define DB_USER   1024			/* right-padded with spaces */
#define dB_USER   1024

#define db_DIR      14			/* Field 14: Current directory */
#define DB_DIR    2048			/* right-padded with spaces */
#define dB_DIR    1024

#define db_INFO     15			/* Field 15: State-specific info */
#define DB_INFO   3072			/* right-padded with spaces */
#define dB_INFO   1024

#define DB_RECL   4096			/* Database record length */

/* Offset, length, and type of each field thru its db_XXX symbol */

#define DBT_HEX 1			/* Hexadecimal number */
#define DBT_STR 2			/* String */
#define DBT_DAT 3			/* Date-Time yyyymmdd hh:mm:ss */
#define DBT_UND 9			/* Undefined and blank */

struct iksdbfld {
    int off;				/* Position (offset) */
    int len;				/* Length (bytes) */
    int typ;				/* Data type */
};
_PROTOTYP(int dbinit, (void));
_PROTOTYP(int initslot, (int));
_PROTOTYP(int getslot, (void));
_PROTOTYP(int freeslot, (int));
_PROTOTYP(int updslot, (int));
_PROTOTYP(int slotstate, (int, char *, char *, char *));
_PROTOTYP(int slotdir, (char *, char *));
#endif /* IKSDB */
#endif /* NOIKSD */

/* ANSI forward declarations for protocol-related functions. */

_PROTOTYP( int input, (void) );
_PROTOTYP( int inibufs, (int, int) );
_PROTOTYP( int makebuf, (int, int, CHAR [], struct pktinfo *) );
_PROTOTYP( int mksbuf, (int) );
_PROTOTYP( int mkrbuf, (int) );
_PROTOTYP( int spack, (char, int, int, CHAR *) );
_PROTOTYP( VOID proto, (void) );
_PROTOTYP( int rpack, (void) );
_PROTOTYP( int ack, (void) );
_PROTOTYP( int nack, (int) );
_PROTOTYP( int ackn, (int) );
_PROTOTYP( int ack1, (CHAR *) );
_PROTOTYP( int ackns, (int, CHAR *) );
#ifdef STREAMING
_PROTOTYP( int fastack, (void) );
#endif /* STREAMING */
_PROTOTYP( int resend, (int) );
_PROTOTYP( int errpkt, (CHAR *) );
_PROTOTYP( VOID logpkt, (char, int, CHAR *, int) );
_PROTOTYP( CHAR dopar, (CHAR) );
_PROTOTYP( int chk1, (CHAR *, int) );
_PROTOTYP( unsigned int chk2, (CHAR *, int) );
_PROTOTYP( unsigned int chk3, (CHAR *, int) );
_PROTOTYP( int sipkt, (char) );
_PROTOTYP( int sopkt, (void) );
_PROTOTYP( int sinit, (void) );
_PROTOTYP( VOID rinit, (CHAR *) );
_PROTOTYP( int spar, (CHAR *) );
_PROTOTYP( int rcvfil, (char *) );
_PROTOTYP( CHAR * rpar, (void) );
_PROTOTYP( int gnfile, (void) );
_PROTOTYP( int getsbuf, (int) );
_PROTOTYP( int getrbuf, (void) );
_PROTOTYP( int freesbuf, (int) );
_PROTOTYP( int freerbuf, (int) );
_PROTOTYP( int dumpsbuf, (void) );
_PROTOTYP( int dumprbuf, (void) );
_PROTOTYP( VOID freerpkt, (int) );
_PROTOTYP( int chkwin, (int, int, int) );
_PROTOTYP( int rsattr, (CHAR *) );
_PROTOTYP( char *getreason, (char *) );
_PROTOTYP( int scmd, (char, CHAR *) );
_PROTOTYP( int encstr, (CHAR *) );
_PROTOTYP( int decode, (CHAR *, int (*)(char), int) );
_PROTOTYP( int bdecode, (CHAR *, int (*)(char)) );
_PROTOTYP( int fnparse, (char *) );
_PROTOTYP( int syscmd, (char *, char *) );
_PROTOTYP( int cwd, (char *) );
_PROTOTYP( int remset, (char *) );
_PROTOTYP( int initattr, (struct zattr *) );
_PROTOTYP( int gattr, (CHAR *, struct zattr *) );
_PROTOTYP( int adebu, (char *, struct zattr *) );
_PROTOTYP( int canned, (CHAR *) );
_PROTOTYP( int opent, (struct zattr *) );
_PROTOTYP( int ckopenx, (struct zattr *) );
_PROTOTYP( int opena, (char *, struct zattr *) );
_PROTOTYP( int openi, (char *) );
_PROTOTYP( int openo, (char *, struct zattr *, struct filinfo *) );
_PROTOTYP( int openc, (int, char *) );
_PROTOTYP( int reof, (char *, struct zattr *) );
_PROTOTYP( VOID reot, (void) );
_PROTOTYP( int sfile, (int) );
_PROTOTYP( int sattr, (int, int) );
_PROTOTYP( int sdata, (void) );
_PROTOTYP( int seof, (int) );
_PROTOTYP( int sxeof, (int) );
_PROTOTYP( int seot, (void) );
_PROTOTYP( int window, (int) );
_PROTOTYP( int clsif, (void) );
_PROTOTYP( int clsof, (int) );
_PROTOTYP( CHAR setgen, (char, char *, char *, char *) );
_PROTOTYP( int getpkt, (int, int) );
_PROTOTYP( int maxdata, (void) );
_PROTOTYP( int putsrv, (char) );
_PROTOTYP( int puttrm, (char) );
_PROTOTYP( int putque, (char) );
_PROTOTYP( int putfil, (char) );
_PROTOTYP( int putmfil, (char) );
_PROTOTYP( int zputfil, (char) );
_PROTOTYP( VOID zdstuff, (CHAR) );
_PROTOTYP( int tinit, (int) );
_PROTOTYP( VOID pktinit, (void) );
_PROTOTYP( VOID resetc, (void) );
_PROTOTYP( VOID xsinit, (void) );
_PROTOTYP( int adjpkl, (int,int,int) );
_PROTOTYP( int chktimo, (int,int) );
_PROTOTYP( int nxtpkt, (void) );
_PROTOTYP( VOID rcalcpsz, (void) );
_PROTOTYP( int srinit, (int, int, int) );
_PROTOTYP( VOID tstats, (void) );
_PROTOTYP( VOID fstats, (void) );
_PROTOTYP( VOID intmsg, (long) );
_PROTOTYP( VOID ermsg, (char *) );
_PROTOTYP( int chkint, (void) );
_PROTOTYP( VOID sdebu, (int) );
_PROTOTYP( VOID rdebu, (CHAR *, int) );
_PROTOTYP( char * dbchr, ( int ) );
#ifdef COMMENT
_PROTOTYP( SIGTYP stptrap, (int, int) );
_PROTOTYP( SIGTYP trap, (int, int) );
#else
_PROTOTYP( SIGTYP stptrap, (int) );
_PROTOTYP( SIGTYP trap, (int) );
#endif /* COMMENT */
_PROTOTYP( char * ck_errstr, (void) );
#ifndef NOXFER
_PROTOTYP( int agnbyte, (void) );
#endif /* NOXFER */
_PROTOTYP( int xgnbyte, (int, int, int (*)(void)) );
_PROTOTYP( int xpnbyte, (int, int, int, int (*)(char)) );

/* User interface functions needed by main program, etc. */

_PROTOTYP( int doconect, (int,int) );
_PROTOTYP( VOID setflow, (void) );
_PROTOTYP( VOID prescan, (int) );
_PROTOTYP( VOID setint, (void) );
_PROTOTYP( VOID doinit, (void) );
_PROTOTYP( VOID dofast, (void) );
_PROTOTYP( VOID cmdini, (void) );
_PROTOTYP( int dotake, (char *) );
_PROTOTYP( int cmdlin, (void) );
#ifdef OS2
_PROTOTYP( int conect, (int) );
#else /* OS2 */
_PROTOTYP( int conect, (void) );
#endif /* OS2 */
#ifdef COMMENT
/* Only used in Unix CONNECT module where it is defined before use */
_PROTOTYP( int ckcgetc, (int) );
#endif /* COMMENT */
_PROTOTYP( int ckcputc, (int) );
_PROTOTYP (int mdmhup, (void) );
_PROTOTYP( VOID herald, (void) );
_PROTOTYP( VOID fixcmd, (void) );
_PROTOTYP( int doarg, (char) );
_PROTOTYP( int doxarg, (char **, int) );
_PROTOTYP( VOID usage, (void) );
_PROTOTYP( VOID doclean, (int) );
_PROTOTYP( int sndhlp, (void) );
_PROTOTYP( int sndstring, (char *) );
_PROTOTYP( VOID ckhost, (char *, int) );
_PROTOTYP( int gettcs, (int, int) );
_PROTOTYP( VOID getdialenv, (void) );
_PROTOTYP( VOID setprefix, (int) );
_PROTOTYP(VOID initproto,(int,char *,char *,char *,char *,char *,char*,char*));
_PROTOTYP( VOID initpat, (void) );
_PROTOTYP( VOID initcsets, (void) );
_PROTOTYP( char * getsysid, (char *) );
_PROTOTYP( int getsysix, (char *) );
#ifdef CK_TIMERS
_PROTOTYP( VOID rttinit, (void) );
_PROTOTYP( int getrtt, (int, int) );
#endif /* CK_TIMERS */

_PROTOTYP( int is_a_tty, (int) );
_PROTOTYP( int snddir, (char *) );
_PROTOTYP( int snddel, (char *) );
_PROTOTYP( int sndtype, (char *) );
_PROTOTYP( int dooutput, (char *, int) );
_PROTOTYP( int isabsolute, (char *) );
_PROTOTYP( VOID whoarewe, (void) );
_PROTOTYP( int ckmkdir, (int, char *, char **, int, int) );
_PROTOTYP( int autoexitchk, (CHAR) );
_PROTOTYP( VOID fcps, (void) );
#ifdef OS2
_PROTOTYP( VOID logchar, (unsigned short) );
#else /* OS2 */
_PROTOTYP( VOID logchar, (char) );
#endif /* OS2 */
_PROTOTYP( VOID logstr, (char *, int) );

_PROTOTYP( VOID dologend, (void) );
#ifdef NOLOCAL
#define dologshow()
#else
_PROTOTYP( long dologshow, (int) );
#endif /* NOLOCAL */

#ifdef NODISPLAY
#define fxdinit(a)
#else
_PROTOTYP( VOID fxdinit, (int) );
#endif /* NODISPLAY */

_PROTOTYP( int fileselect, (char *,
			    char *, char *, char *, char *,
			    CK_OFF_T, CK_OFF_T,
			    int, int,
			    char **) );
_PROTOTYP( char * whoami, (void) );
_PROTOTYP( int shoesc, (int) );

#ifdef CK_APC
_PROTOTYP( int chkspkt, (char *) );
_PROTOTYP( int kstart, (CHAR) );
_PROTOTYP( VOID autodown, (int));
#ifdef CK_XYZ
_PROTOTYP( int zstart, (CHAR) );
#endif /* CK_XYZ */
#ifdef OS2
_PROTOTYP(void apc_command, (int, char*));
#endif /* OS2 */
#endif /* CK_APC */

/* User Query data structures and functions */

struct txtbox {
    char * t_buf;			/* Destination buffer address */
    int    t_len;			/* Destination buffer length */
    char * t_lbl;			/* Label for this field */
    char * t_dflt;			/* Default response for this field */
    int    t_echo;			/* 0 = no, 1 = yes, 2 = asterisks */
};

#define DEFAULT_UQ_TIMEOUT  0
_PROTOTYP(int uq_ok, (char *,char *,int,char **,int) );
_PROTOTYP(int uq_txt, (char *,char *,int,char **,char *,int,char *,int));
_PROTOTYP(int uq_mtxt, (char *,char **,int,struct txtbox[]) );
_PROTOTYP(int uq_file, (char *,char *,int,char **,char *,char *,int));

#ifdef CK_URL
struct urlopt {
    char * nam;
    char * val;
};
#define MAX_URL_OPTS    16
struct urldata {
    char * sav;			/* The URL itself */
    char * svc;			/* Service */
    char * usr;			/* User */
    char * psw;			/* Password */
    char * hos;			/* Host */
    char * por;			/* Port */
    char * pth;			/* Path */
    int    nopts;               /* number of options */
    struct urlopt opt[MAX_URL_OPTS];   /* options */
};
_PROTOTYP(int urlparse, (char *, struct urldata *));
#endif /* CK_URL */

#endif /* CKCKER_H */

/* End of ckcker.h */